2WA/2NJ/2RK
7-515
U01113/E01113
U01125/E01125
U01129/E01129
U01141/E01141
Step Check description Assumed cause Measures Reference
1 Checking the settings The modem is not
detected since the
received signal is attenu-
ated with its frequency
response.
Set the modem detection
level at U650 [RX Mdm
Level]. (Initial setting: -
43dBm)
U650 Exe-
cution
2 Checking the settings The modem is not
detected since the
received signal is attenu-
ated with its frequency
response.
Set the G3 reception cable
equalizer in U650 [Reg G3
RX Eqr]. (Initial setting:
0dBm)
U650 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Request for resending No response is received
after sending CNS signal.
(between own machine)
Request resending.
2 Changing the initial value Line condition is poor.
(Own machine)
Change the reception speed
by executing U630 [RX
Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Request for resending No response after trans-
mitting an SPA signal.
(Short protocol)
Request resending.
2 Changing the initial value Line condition is poor.
(Own machine)
Change the reception speed
by executing U630 [RX
Speed].
U630 Exe-
cution
Step Check description Assumed cause Measures Reference
1 Request for resending DCN signal is received
after sending DTC signal.
Request resending.
2 Changing the initial value Line condition is poor.
(Own machine)
Change the reception speed
by executing U630 [RX
Speed].
U630 Exe-
cution
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